DE2540331C3 - Verfahren zur Herstellung von Terephthalsäure oder Isophthalsäure - Google Patents

Verfahren zur Herstellung von Terephthalsäure oder Isophthalsäure

Info

Publication number
DE2540331C3
DE2540331C3 DE19752540331 DE2540331A DE2540331C3 DE 2540331 C3 DE2540331 C3 DE 2540331C3 DE 19752540331 DE19752540331 DE 19752540331 DE 2540331 A DE2540331 A DE 2540331A DE 2540331 C3 DE2540331 C3 DE 2540331C3
Authority
DE
Germany
Prior art keywords
acid
xylene
para
reaction
terephthalic acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE19752540331
Other languages
German (de)
English (en)
Other versions
DE2540331A1 (de
DE2540331B2 (de
Inventor
Kiyoshi Yamamoto
Seiichi Yokoyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of DE2540331A1 publication Critical patent/DE2540331A1/de
Publication of DE2540331B2 publication Critical patent/DE2540331B2/de
Application granted granted Critical
Publication of DE2540331C3 publication Critical patent/DE2540331C3/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19752540331 1974-09-10 1975-09-10 Verfahren zur Herstellung von Terephthalsäure oder Isophthalsäure Expired DE2540331C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10342774A JPS5132534A (ja) 1974-09-10 1974-09-10 Terefutarusannoseizoho

Publications (3)

Publication Number Publication Date
DE2540331A1 DE2540331A1 (de) 1976-03-25
DE2540331B2 DE2540331B2 (de) 1977-12-29
DE2540331C3 true DE2540331C3 (de) 1978-08-31

Family

ID=14353724

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752540331 Expired DE2540331C3 (de) 1974-09-10 1975-09-10 Verfahren zur Herstellung von Terephthalsäure oder Isophthalsäure

Country Status (4)

Country Link
JP (1) JPS5132534A (member.php)
DE (1) DE2540331C3 (member.php)
FR (1) FR2284585A1 (member.php)
GB (1) GB1465664A (member.php)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS523030A (en) * 1975-06-25 1977-01-11 Mitsubishi Chem Ind Ltd Process for manufacturing high purity terephthalic acid
JPS5470235A (en) * 1977-11-14 1979-06-05 Mitsubishi Chem Ind Ltd Preparation of terephthalic acid
US8952195B2 (en) 2010-06-30 2015-02-10 Uop Llc Process for oxidizing alkyl aromatic compounds
US9079846B2 (en) 2012-10-12 2015-07-14 Uop Llc Process for oxidizing impurities in crude terephthalic acid

Also Published As

Publication number Publication date
JPS5745211B2 (member.php) 1982-09-27
FR2284585A1 (fr) 1976-04-09
FR2284585B1 (member.php) 1978-04-07
DE2540331A1 (de) 1976-03-25
GB1465664A (en) 1977-02-23
JPS5132534A (ja) 1976-03-19
DE2540331B2 (de) 1977-12-29

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EHJ Ceased/non-payment of the annual fee